Cognitive and neural mechanisms underlying the social Simon effect (DFG LI 2115/1-1 (2011-2014) EU FP7 Eyeshots (2008-2011))

Projekt: Finanziert durch Drittmittel

Forschungsziel

The ability to coordinate our actions with those of others is crucial for our success as individuals and in social interactions. One of the biggest mysteries in cognitive neuroscience of the current decade is how joint action differs from individual task processing. One of the most prominent examples of joint action is the social Simon effect. When two participants perform this version of the Simon task together, a Simon effect occurs (i.e., performance is better with spatial stimulus-response S-R correspondence), but no effect is observed when participants perform the task alone. The social Simon effect is typically considered as a good index for action co-representation. Based on recent experimental data we assume that dimensional overlap with respect to spatial and non-spatial task features plays an important role for the formation of the social Simon effect. The applied research is aimed to test and extend this assumption investigating the role of attention and dimensional overlap in mediating the social Simon effect. Further, we will test how participants can effectively separate events for self and other reducing dimensional overlap and how this is achieved in the human brain.
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ID: 2781672

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